Напишите предложения в вопросительной и в отрицательной формах: It is box This is a book She is a doctor He is a driver

it isn't a box ; this isn't  a book; she isn't a doctor; he isn't a driver. Is it a box?; is it a book? is she doctor? is he driver?

1. Is it box?

it isn't box

2. Is this a book?

this isn't a book

3. Is she a doctor?

she isn't a doctor

4. Is he a driver

he isn't  a driver

 В вопросах вспомогательный глагол передвигается на первое место, за ним подлежащие;  в отрицательных просто к вспомогательному глаголу прибавляешь частицу not -- это касается всех времен в анг. языке!)